<template>
  <div class="login-container">
    <div class="logoBox">
      <img :src="logoUrl" alt="公司logo" class="logoImg">
    </div>
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" auto-complete="on" label-position="left">

      <div class="title-container">
        <h2 class="title">{{ getTitle }}</h2>
      </div>

      <el-form-item prop="username">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="username"
          v-model="loginForm.userName"
          placeholder="手机号"
          name="username"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.passWord"
          :type="passwordType"
          placeholder="密码"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
        </span>
      </el-form-item>

      <el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;" @click.native.prevent="handleLogin">登录</el-button>
    </el-form>
    <div class="copyright"> Copyright &copy;{{ getOwerName }}</div>
  </div>
</template>

<script>
import logoUrl from '@/assets/img/logo.png'
export default {
  name: 'Login',
  data() {
    const validatePassword = (rule, value, callback) => {
      if (value.length < 6) {
        callback(new Error('请输入正确的密码'))
      } else {
        callback()
      }
    }
    return {
      loading: false,
      loginForm: {
        userName: '15160738200',
        passWord: '123456'
      },
      loginRules: {
        userName: [],
        passWord: [{
          required: true,
          trigger: 'blur',
          validator: validatePassword
        }]
      },
      passwordType: 'passWord',
      redirect: undefined,
      logoUrl
    }
  },
  computed: {
    getTitle() {
      return this.$store.state.settings.appTitle
    },
    getOwerName() {
      return this.$store.state.settings.owerName
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'passWord') {
        this.passwordType = ''
      } else {
        this.passwordType = 'passWord'
      }
      this.$nextTick(() => {
        this.$refs.passWord.focus()
      })
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          const Loding = this.$loading({
            lock: true,
            text: '登录成功，请稍候~',
            spinner: 'el-icon-loading',
            background: 'rgba(0, 0, 0, 0.7)'
          })
          this.$store.dispatch('user/login', this.loginForm).then((response) => {
            // console.log(response)
            sessionStorage.setItem('PERTYPE', response.data.perType)
            sessionStorage.setItem('USERID', response.data.userId)
            sessionStorage.setItem('USERACCOUNT', this.loginForm.userName)
            setTimeout(() => {
              console.log(this.redirect)
              this.$router.replace({
                path: this.redirect || '/'
              })
              Loding.close()
            }, 2000)
          }).catch(() => {
            sessionStorage.clear()
            Loding.close()
          })
        } else {
          sessionStorage.clear()
          console.log('网络错误')
          return false
        }
      })
    }
  }
}
</script>

<style lang="scss">
	/* 修复input 背景不协调 和光标变色 */
	/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

	$bg:#F0F2F5;
	$light_gray:#666;
	$cursor: #999;

	@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
		.login-container .el-input input {
			color: $cursor;
		}
	}

	/* reset element-ui css */
	.login-container {
		background-image: url('../../assets/svg/bg.svg');

		.el-input {
			display: inline-block;
			height: 47px;
			width: 85%;

			input {
				background: transparent;
				border: 0px;
				-webkit-appearance: none;
				border-radius: 0px;
				padding: 12px 5px 12px 15px;
				color: $light_gray;
				height: 47px;
				caret-color: $cursor;

				&:-webkit-autofill {
					box-shadow: 0 0 0px 1000px $bg inset !important;
					-webkit-text-fill-color: $cursor !important;
				}
			}
		}

		.el-form-item {
			border: 1px solid rgba(255, 255, 255, 0.1);
			background: #fff;
			border-radius: 5px;
			color: #000;
		}

		.copyright {
			color: rgba(0, 0, 0, .45);
			font-size: 14px;
			padding: 18px 16px 24px;
			text-align: center;
		}
	}
</style>

<style lang="scss" scoped>
	$bg:#F0F2F5;
	$dark_gray:#333;
	$light_gray:#666;

	.login-container {
		min-height: 100%;
		width: 100%;
		background-color: $bg;
		overflow: hidden;

		.logoBox {
			position: relative;
			width: 100vw;
			height: 200px;
			padding: 80px 0px 0px;
			text-align: center;
		}

		.logoImg {
			height: 200px;
			margin: 0 auto;
		}

		.login-form {
			position: relative;
			width: 520px;
			max-width: 100%;
			padding: 100px 35px 0;
			margin: 0 auto;
			overflow: hidden;
		}

		.svg-container {
			padding: 6px 5px 6px 15px;
			color: $dark_gray;
			vertical-align: middle;
			width: 30px;
			display: inline-block;
		}

		.title-container {
			position: relative;

			.title {
				font-size: 26px;
				color: $light_gray;
				margin: 0px auto 40px auto;
				text-align: center;
				font-weight: bold;
			}
		}

		.show-pwd {
			position: absolute;
			right: 10px;
			top: 7px;
			font-size: 16px;
			color: $dark_gray;
			cursor: pointer;
			user-select: none;
		}
	}

	.logo {
		height: 44px;
		vertical-align: top;
		margin-right: 16px;
	}
</style>
